nixos/github-runner: use `--disableupdate` flag

Use the new `--disableupdate` configure flag instead of our patch.

nixos/modules/services/continuous-integration/github-runner.nix

@@ -208,6 +208,7 @@ in
                 token=$(< "$STATE_DIRECTORY"/${newConfigTokenFilename})
                 RUNNER_ROOT="$STATE_DIRECTORY" ${cfg.package}/bin/config.sh \
                   --unattended \
+                  --disableupdate \
                   --work "$RUNTIME_DIRECTORY" \
                   --url ${escapeShellArg cfg.url} \
                   --token "$token" \

pkgs/development/tools/continuous-integration/github-runner/default.nix

@@ -77,9 +77,6 @@ stdenv.mkDerivation rec {
     ./patches/use-get-directory-for-diag.patch
     # Don't try to install systemd service
     ./patches/dont-install-systemd-service.patch
-    # Prevent the runner from starting a self-update for new versions
-    # (upstream issue: https://github.com/actions/runner/issues/485)
-    ./patches/prevent-self-update.patch
   ];
 
   postPatch = ''

pkgs/development/tools/continuous-integration/github-runner/patches/prevent-self-update.patch

@@ -1,25 +0,0 @@
-From 8b77c9c61058842e031dd176df2b9c79bc2c0e28 Mon Sep 17 00:00:00 2001
-From: Vincent Haupert <mail@vincent-haupert.de>
-Date: Sun, 12 Sep 2021 19:52:21 +0200
-Subject: [PATCH] Use a fake version to prevent self-update
-
----
- src/Runner.Listener/MessageListener.cs | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/Runner.Listener/MessageListener.cs b/src/Runner.Listener/MessageListener.cs
-index 71e5e43..29945e0 100644
---- a/src/Runner.Listener/MessageListener.cs
-+++ b/src/Runner.Listener/MessageListener.cs
-@@ -65,7 +65,7 @@ namespace GitHub.Runner.Listener
-             {
-                 Id = _settings.AgentId,
-                 Name = _settings.AgentName,
--                Version = BuildConstants.RunnerPackage.Version,
-+                Version = "2.999.9",
-                 OSDescription = RuntimeInformation.OSDescription,
-             };
-             string sessionName = $"{Environment.MachineName ?? "RUNNER"}";
--- 
-2.32.0
-